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# Tutor profile: Vibhuti M.

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Vibhuti M.
Masters student in Economics at UW-Madison
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## Questions

### Subject:Calculus

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Question:

Differentiate: (6x^2+7x)^4

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Vibhuti M.

We will use chain rule for this differentiation: First, differentiate the outer bracket -> 4 (6x^2 + 7x)^3 Now, differentiate the term inside bracket and multiply with the term we got from previous step: 4 (12x+7) (6x^2 + 7x)^3

### Subject:Macroeconomics

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Question:

GDP, the most widely used measure of economic growth of a country, has increasingly been looked at with a sceptical eye in economic circles these days. Comment on one such criticism.

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Vibhuti M.

One of the reasons why GDP has been criticised is because it only accounts for the production of those goods and services whose value can be monetised in a certain way. For eg: household work done by a family member would not get accounted for in GDP. This creates an issue in a lot of countries like India where a major part of female population traditionally holds the responsibility of household rearing but none of their work gets counted in the country's total output.

### Subject:Algebra

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Question:

There are 19 girls in a class. This is 3 more than 4 times the boys in the class. Calculate total strength of the class.

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Vibhuti M.

Let G = the number of girls in the class = 19 B = number of boys T = total strength of the class = B + G Key to solving this question is convert the given information in an equation format. 4 times number of boys = 4B 19 = 3+4B => B = (19-3)/4 => B = 16/4 => B=4 T = B+G = 4+19 = 23 Hence total strength of the class is 23

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